Secure Touch 3ml Syringe/Needle Combination Luer-Lock TipExel Secure Touch Safety 3ml Syringe Needle Combination Luer Lock Tip has a needle that twists and locks on the Luer Lock Tip. The design includes a safety cover that may be activated with one hand. The visual indicator and an audible click confirm when the safety mechanism is activated. Large bold print aids with greater filling accuracy. Sterile, Non Toxic, Non Pyrogenic One Handed Activation No Solid Surface Required Simple Finger Stroke Activation